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Inventories (Tables)
 12 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
Components of inventories
Inventories consist of the following at December 31:
($ in thousands)
 
2015
 
2014
Farming inventories
 
$
3,248

 
$
3,844

Other
 
269

 
254

 
 
$
3,517

 
$
4,098